DENVER — It is official: State Treasurer Walker Stapleton — after months of speculation — has announced he is running for governor. On Monday, he sat down for his first TV interview. New: @WalkerStapleton attacks @jaredpolis in 1st TV interview since Governor announcement. Says Polis running to "literally kill" oil & gas pic.twitter.com/toDTbInUd5 — Joe St. George (@JoeStGeorge) September 25, 2017 Stapleton was eager to attack Democratic Congressman Jared Polis, who is perceived to be the Democratic front-runner. Stapleton by…Read more